hypocotyl 中文意思是什麼

hypocotyl 解釋
n. 名詞 【植物;植物學】(下)胚軸。

  1. During development of the seedling, the hypocotyl forms the lower portion of the stem from the radicle up to the cotyledons.

    在幼苗發育期間,下胚軸從胚根到子葉的莖的下部形成。
  2. Cytyledons and future stalk called the hypocotyl elongate.

    子葉和未來稱為下胚軸的主軸延長。
  3. At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.

    萌發開始時,下胚軸依靠細胞增大而迅速伸長。
  4. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    根據金魚草幼苗初生維管系統導管分子發育的時空性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚軸-根區的導管分子,最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。
  5. 2 effects of light quality and kt on hypocotyl elongation the hypocotyl elongation of 2 - d - old etiolated seedlings was inhibited evidently under continuous light including uv - b, wl, bl, fr and rl. the inhibition effectiveness was uv - b > wl > bl > fr > rl

    二、光質和kt對下胚軸伸長的影響不同光質持續照光對2天齡黃化下胚軸伸長有明顯的抑制,不同光質對伸長抑制的效應表現為uv - b wl bl fr rl 。
  6. The highest vt and p valt in true leaf were accompanied two hybridizable polypeptides of aox protein, 35kd and 38kd respectively. the next was cotyledon vt and p valt with only one 38kd hybridizable polypeptide of aox protein. hypocotyl vt and p valt were the lowest and its immunobloting band was similar to that of cotyledon, but the expressive amount of 38kd protein was less than that of cotyledon

    綠豆幼苗不同器官的有關呼吸參數測定結果與aox表達的western分析基本一致:真葉的v _ t特別是v _ ( alt )最高,它也具有35kd和38kd的aox的雜交多肽;其次是子葉的v _ t和v _ ( alt ) ,且在子葉中,只見一條分子量為38kd的aox多肽;下胚軸的v _ t和v _ ( alt )都最低, western雜交顯示也只有一條分子量為38kd的多肽,而且表達量也較少。
  7. As the development of the hypocotyl continues, the characteristic crook in the upper portion becomes apparent.

    由於下胚軸繼續發音,上部特有的彎曲變得明顯。
  8. Regeneration from hypocotyl explants of date plum diospyros oleifera

    油柿下胚軸再生植株的培養
  9. Establishment of hypocotyl regeneration system of capparis spinosa l

    藥用植物刺山柑快繁再生體系的建立
  10. The research of tissue culture and regenerated with hypocotyl of sunflower

    下胚軸組織培養及植株再生的研究
  11. In darkness, kt showed a similar inhibition of hypocotyl elongation as under wl

    黑暗下, kt對下胚軸伸長的抑制與白光作用相似。
  12. It could be inferred from above that nap had stronger inhibition on germination k. candel hypocotyl than pyr

    上述結果表明, nap對秋茄種苗萌發的抑制作用大於pyr 。
  13. Cotyledon produce callus in ms + 6 - ba 0. 5 mg / l + 254 - d 2 mg / l and hypocotyl produce it in ms + 6 - ba 1 mg / l + naa 0. 5 mg / l. callus initiate in ms + 6 - ba 2 mg / l. 4

    以載體t - dna上的一段dna設計一個引物,以chs上的一段dna為另一個引物,進行pcr檢測。
  14. Cotyledon and hypocotyl ' s rate and quamity are the most among these explams, and callus can be obtained in 10 days by cotyledon and hypocotyl. reversely it is difficult to indue callus with root, and the callus from root is lnde and easy to become browning. the calius obtained from leaf grows very slow and does not become browning uniill in 2 or 3 months

    銀杏的不同器官和組織都能夠誘導出愈傷組織來,其中,子葉和胚軸10d左右全部愈傷化,誘導速度和誘導率均最高,根則很難誘導,愈傷組織很少,褐化很快;葉片誘導的愈傷組織,生長慢,褐化也慢,在培養基上保持兩三個月而不褐化;胚乳的誘導時間也較長,需要30d左右。
  15. Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed

    本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響,分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。
  16. First, we studied the role of exogenous ca2 + ion in the hypocotyl phototropism. the curvature of hypocotyls was strongly depended on extracelluar ca2 + concentration. in the medium with low ca2 + ( < 200 nm ), hypocotyl curvature was significantly inhibited

    胞外鈣離子對下胚軸向光彎曲影響的實驗結果表明,不同的胞外鈣離子濃度引起下胚軸向光彎曲角度發生變化。
  17. In this paper, kandelia candel ( l. ) druce hypocotyls were cultivated in sand and treated with 15 % seawater for 60 days under laboratory conditions. the influence of increasing concentrations of napthalene and pyrene ( 0, 0. 1, 1 and 10mg / l ) on hypocotyl germination and growth, photosynthesis metabolism, water metabolism and membrane protection system were observed to inquire into the ecophysiological responses of mangrove k. candel to pahs phytotoxicity. moreover, the concentration and distribution of parent polycyclic aromatic hydrocarbons ( pah ' s ) in surface sediment, underground root and leaf residue of mangroves in jiulong river estuary ( fugong, north and south shores of haimen island, baijiao ), neighbouring xiamen western harbour ( dong islet ) and dongzui harbour ( fenglin ) were examined

    在實驗室條件下,分別以0 . 1 、 1和10mg l的萘( nap )和芘( pyr ) 3個梯度濃度組級砂基培養秋茄( kandeliacandel ( l . ) druce )幼苗,培養基鹽度15 ,培養期60d ,以不加pahs為對照,分析了nap和pyr對紅樹植物秋茄幼苗的生長、光合代謝、水分代謝以及膜保護系統的影響,探討pahs對紅樹植物秋茄的的生理生態效應及植物性毒害( phytotoxicity )的機理。
  18. The genotype is a main factor in the genetic transformation via agrobacteriwn - mediated. the results of orthogonal experiments of the factors which affect mainly the transformation illuminates that the erniuxin genotype + bacterium 15 x + explant + dip - dye is the best one. the cocultivation time is 28 days. the experiment shows that : the erniuxin cotyledon regeneration frequency is very high, and that the dongnong901 hypocotyl regeneration frequency is very high

    確立了農桿菌介導轉化過程中基因型是影響轉化率的主要因素。通過極差分析,基因型為「二牛心」 ,菌液濃度15倍的,外植體為子葉,感染方法為浸泡法是最佳的組合。農桿菌與外植體共培養的時間為28h 。
  19. The explants of for root, hypocotyl and cotyledon were cultured. among them the hypocotyls from 20d or 30d seedings was the best for callus forming and anthocyanin production

    以20d或30d齡的無菌苗下胚軸作外植體,效果好,愈傷組織生長量大,花色素苷的含量也高。
  20. Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf

    本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗( 0 60d )過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化;並且在野外自然條件下,跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中( 1年)形態、生物量、含水量、光合蒸騰特性等的變化。
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